Powers

Astral Projection: She could access the astral plane as well as other dimensions.

Trans-Dimensional Teleportation: She has also proven able to transport others across dimensional barriers.

Project Magical Bolts

Longevity: She also magically extend the lifespan of a disciple by over 20,000 years.

She has sometimes invoked such entities as Valka and Agamotto in her spell casting.

Paraphernalia

Equipment

She possessed a book which held all of her magical scrolls which has since been called the Tome of Zhered-Na. It is supposedly one of the most powerful books of magic ever created, though its power is presumably less than that of the Darkhold